Very carefully! (sorry... could'nt resist!) :-)

rsh -l user machine ls -alp
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oughta do it. Of course if you doing this within Perl it would be more like:

open PIPE,"rsh -l user machine ls -alp |"
       or die "Screaming!:$!";
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milage will vary depending on the platform of course...

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Peter L. Berghold --- Peter@Berghold.Net
"Those who fail to learn from history are condemned to repeat it."